You know that the price of the car when Mariah purchased it was:

And you also know that the rate of depreciation is 2.5%.
Then, you can use the following formula to calculate the Depreciation Value:

Where "P" is the initial value, "R" is the depreciation rate (as a Decimal number), and "n" is the number of periods.
You can identify that, in this case:

Then, substituting values into the formula and evaluating, you get this result (in dollars):

Therefore, the answer is: Last option.